National Geographic : 1945 Feb
Big Marbles, Onions, Balls, or Captive Balloons? No! Butadiene Tanks, for Making Synthetic Rubber. Port Neches, Texas Staff Photographer Willard R.Culver A Moment After This Picture Was Snapped, These Mexican Spinach Pickers Jumped Up and Ran Away Why? They were "wet backs," a Texas expression for Mexicans who enter the United States without immigration inspection byswimming the Rio Grande. Mistaking the cameraman for an immigration inspector, they fled. Texas ships trainloads of green vegetables north each season.